Oozora Subaru is a Japanese virtual YouTuber with Hololive, known for energetic streams and fan-shared moments that often become short reaction clips. Tunpoko circulates in that fan community as a brief, meme-friendly vocal snippet, passed around in edits, compilations and soundboards rather than as a formal release. Its appeal comes from its brevity and silliness: it is easy to recognise, easy to drop into a video, and instantly signals playful chaos without needing context or translation.